﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace WinForm
{
    public partial class Login : Form
    {
        public Login()
        {
            InitializeComponent();
        }

        private void btnLogin_Click(object sender, EventArgs e)
        {
            if (txtUserName.Text.Trim() == "" || txtPassword.Text.Trim() == "")
            {
                MessageBox.Show("用户名或密码不能为空。");
                txtUserName.Focus();
                return;
            }
            BLL.User user = new BLL.User();
            if (user.Login(txtUserName.Text.Trim(), txtPassword.Text)) {
                UserHelper.username = txtUserName.Text.Trim();
                UserHelper.password = txtPassword.Text;
                this.Hide();
                Main f = new Main();
                f.Show();
            }
            else {
                MessageBox.Show("用户名或密码错误，请重新办理入。", "错误提示");
                txtUserName.Focus();
                txtUserName.SelectAll();
            }
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void Login_Load(object sender, EventArgs e)
        {

        }
    }
}
